Sobolev, G. A., & Slavina, L. B. (1977). The spatial and temporal changes inV p /V s before strong earthquakes in Kamchatka. Pure and Applied Geophysics PAGEOPH, 115(4), 1047.
Chicago Style (17th ed.) CitationSobolev, G. A., and L. B. Slavina. "The Spatial and Temporal Changes InV P /V S Before Strong Earthquakes in Kamchatka." Pure and Applied Geophysics PAGEOPH 115, no. 4 (1977): 1047.
MLA (9th ed.) CitationSobolev, G. A., and L. B. Slavina. "The Spatial and Temporal Changes InV P /V S Before Strong Earthquakes in Kamchatka." Pure and Applied Geophysics PAGEOPH, vol. 115, no. 4, 1977, p. 1047.
Warning: These citations may not always be 100% accurate.